52920325 has 6 divisors (see below), whose sum is σ = 65621234. Its totient is φ = 42336240.

The previous prime is 52920313. The next prime is 52920349. The reversal of 52920325 is 52302925.

It can be written as a sum of positive squares in 3 ways, for example, as 6666724 + 46253601 = 2582^2 + 6801^2 .

It is not a de Polignac number, because 52920325 - 2⁵ = 52920293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52920293 and 52920302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1058382 + ... + 1058431.

Almost surely, 2^52920325 is an apocalyptic number.

It is an amenable number.

52920325 is a deficient number, since it is larger than the sum of its proper divisors (12700909).

52920325 is a wasteful number, since it uses less digits than its factorization.

52920325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116823 (or 2116818 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 52920325 is about 7274.6357297118. The cubic root of 52920325 is about 375.4402533068.

The spelling of 52920325 in words is "fifty-two million, nine hundred twenty thousand, three hundred twenty-five".